<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="index.css"/>
    <script src="index.js"></script>
</head>
<body>
<div>
    <button type="button" onclick="func1()">测试你的浏览器是否支持ES6</button>
    <br><br>

    <button type="button" onclick="func2()">遍历</button>
    <br><br>
</div>
</body>
</html>